What does "Pulse ox" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Pulse ox" is short for pulse oximetry, a simple test used to measure how much oxygen is in the blood. It's a tool that helps doctors know if enough oxygen is reaching different parts of the body. A reading of 79% indicates the percentage of oxygen-saturated hemoglobin compared to the total amount of hemoglobin in the blood.
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